oper[8], pore[8], peer[7], reep[7], peri[7], pier[7], prei[7], roie[5], eier[4], eire[4],
epo[7], opi[7], pro[7], per[6], rep[6], oie[4], roi[4], ree[3], ire[3],
po[6], pi[5], ei[2], er[2], re[2],
